Ryōtsu-minato weather in June
In June, Ryōtsu-minato sees average daytime highs of 22°C and overnight lows near 18°C, with 124 mm of rain across 10.5 wet days and about 14.6 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 23% of the time in June, and the air most often feels humid.
Daylight stretches from about 14 h 24 min at the start of June to 14 h 36 min by month's end. Set against the rest of the year, June is Ryōtsu-minato's 8th-clearest and 12th-windiest month. For the whole year in context, see Ryōtsu-minato's year-round climate.
- Daytime high
- 22°
- 4th warmest
- Overnight low
- 18°
- 9th coldest
- Rainfall
- 124 mm
- 10.5 wet days
- Daylight
- 14 h 36 min
- 4:28 AM – 7:05 PM
- Cloud cover
- 68%
- 8th clearest
- Wind
- 10 km/h
- 12th windiest
- Solar energy
- 5.8 kWh/m²
- Travel score
- 6.4
- out of 10
Temperature in June
Highs climb over the month, from about 21°C in the first days to 24°C by the end.
A typical June day in Ryōtsu-minato reaches about 22°C in the afternoon and slips back to 18°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, June runs about 4°C warmer than May and about 4°C cooler than July.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 16 |
| 2 | 21 | 16 |
| 3 | 21 | 16 |
| 4 | 21 | 16 |
| 5 | 21 | 17 |
| 6 | 21 | 17 |
| 7 | 22 | 17 |
| 8 | 22 | 17 |
| 9 | 22 | 17 |
| 10 | 22 | 17 |
| 11 | 22 | 17 |
| 12 | 22 | 18 |
| 13 | 22 | 18 |
| 14 | 22 | 18 |
| 15 | 22 | 18 |
| 16 | 22 | 18 |
| 17 | 23 | 18 |
| 18 | 23 | 18 |
| 19 | 23 | 19 |
| 20 | 23 | 19 |
| 21 | 23 | 19 |
| 22 | 23 | 19 |
| 23 | 23 | 19 |
| 24 | 23 | 19 |
| 25 | 23 | 19 |
| 26 | 24 | 20 |
| 27 | 24 | 20 |
| 28 | 24 | 20 |
| 29 | 24 | 20 |
| 30 | 24 | 20 |
How June really feels in Ryōtsu-minato
Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Ryōtsu-minato weather by month
How June compares with the rest of the year at a glance. June is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / 3° | 132 | 21.4 | 9.8 | 9.7 | 0.2 |
| Feb | 6° / 2° | 91 | 17.6 | 8.2 | 10.5 | 0.3 |
| Mar | 9° / 4° | 101 | 16.2 | 3.3 | 11.7 | 1.4 |
| Apr | 13° / 8° | 89 | 12.2 | 0.2 | 13 | 3.5 |
| May | 18° / 13° | 92 | 11 | 0 | 14 | 5.8 |
| Jun | 22° / 18° | 124 | 10.5 | 0 | 14.6 | 6.4 |
| Jul | 26° / 22° | 205 | 14.3 | 0 | 14.4 | 5.8 |
| Aug | 28° / 24° | 146 | 12.1 | 0 | 13.5 | 5.6 |
| Sep | 25° / 21° | 142 | 12.5 | 0 | 12.3 | 6.2 |
| Oct | 19° / 15° | 136 | 13.2 | 0 | 11 | 5.7 |
| Nov | 14° / 10° | 137 | 17.3 | 0.1 | 9.9 | 3.3 |
| Dec | 8° / 5° | 154 | 21.6 | 4.8 | 9.4 | 1.1 |
Cloud cover in June
The sky is clear or mostly clear about 23% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 13% of June, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 45 | 45 | 44 | 43 | 43 | 42 | 42 | 40 | 40 | 39 | 39 | 37 | 36 | 36 | 35 | 35 | 34 | 34 | 33 | 34 | 32 | 32 | 31 | 30 | 30 | 30 | 29 | 28 | 29 | 29 |
| Cloudier (%) | 55 | 55 | 56 | 57 | 57 | 58 | 58 | 60 | 60 | 61 | 61 | 63 | 64 | 64 | 65 | 65 | 66 | 66 | 67 | 66 | 68 | 68 | 69 | 70 | 70 | 70 | 71 | 72 | 71 | 71 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 45 | 55 |
| 2 | 45 | 55 |
| 3 | 44 | 56 |
| 4 | 43 | 57 |
| 5 | 43 | 57 |
| 6 | 42 | 58 |
| 7 | 42 | 58 |
| 8 | 40 | 60 |
| 9 | 40 | 60 |
| 10 | 39 | 61 |
| 11 | 39 | 61 |
| 12 | 37 | 63 |
| 13 | 36 | 64 |
| 14 | 36 | 64 |
| 15 | 35 | 65 |
| 16 | 35 | 65 |
| 17 | 34 | 66 |
| 18 | 34 | 66 |
| 19 | 33 | 67 |
| 20 | 34 | 66 |
| 21 | 32 | 68 |
| 22 | 32 | 68 |
| 23 | 31 | 69 |
| 24 | 30 | 70 |
| 25 | 30 | 70 |
| 26 | 30 | 70 |
| 27 | 29 | 71 |
| 28 | 28 | 72 |
| 29 | 29 | 71 |
| 30 | 29 | 71 |
Chance of precipitation in June
Ryōtsu-minato gets around 124 mm of rain over 10.5 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 36% and peaks near 47% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 32 | 33 | 33 | 34 | 35 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 45 | 46 | 47 |
| Rain chance (%) | |
|---|---|
| 1 | 28 |
| 2 | 28 |
| 3 | 28 |
| 4 | 28 |
| 5 | 28 |
| 6 | 28 |
| 7 | 29 |
| 8 | 29 |
| 9 | 30 |
| 10 | 30 |
| 11 | 31 |
| 12 | 32 |
| 13 | 33 |
| 14 | 33 |
| 15 | 34 |
| 16 | 35 |
| 17 | 36 |
| 18 | 37 |
| 19 | 38 |
| 20 | 38 |
| 21 | 39 |
| 22 | 40 |
| 23 | 41 |
| 24 | 42 |
| 25 | 43 |
| 26 | 44 |
| 27 | 45 |
| 28 | 45 |
| 29 | 46 |
| 30 | 47 |
Humidity in June
Most of June feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 33 | 30 | 28 | 25 | 23 | 21 | 19 | 18 | 16 | 15 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 4 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 48 | 48 | 48 | 48 | 47 | 46 | 44 | 42 | 41 | 39 | 37 | 35 | 33 | 31 | 29 | 27 | 25 | 23 | 21 | 20 | 18 | 17 | 16 | 14 | 13 | 12 | 11 | 10 | 8 | 7 |
| Humid (%) | 18 | 21 | 23 | 25 | 28 | 30 | 33 | 35 | 38 | 40 | 42 | 44 | 45 | 47 | 48 | 48 | 49 | 48 | 48 | 48 | 47 | 45 | 44 | 43 | 41 | 39 | 37 | 35 | 32 | 30 |
| Muggy (%) | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 10 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | 26 | 28 | 31 | 33 | 36 | 38 | 41 | 43 | 45 | 47 | 48 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 10 | 12 | 13 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 33 | 48 | 18 | 1 | 0 |
| 2 | 30 | 48 | 21 | 1 | 0 |
| 3 | 28 | 48 | 23 | 1 | 0 |
| 4 | 25 | 48 | 25 | 2 | 0 |
| 5 | 23 | 47 | 28 | 2 | 0 |
| 6 | 21 | 46 | 30 | 3 | 0 |
| 7 | 19 | 44 | 33 | 4 | 0 |
| 8 | 18 | 42 | 35 | 5 | 0 |
| 9 | 16 | 41 | 38 | 6 | 0 |
| 10 | 15 | 39 | 40 | 7 | 0 |
| 11 | 13 | 37 | 42 | 8 | 0 |
| 12 | 12 | 35 | 44 | 10 | 0 |
| 13 | 11 | 33 | 45 | 11 | 0 |
| 14 | 10 | 31 | 47 | 13 | 0 |
| 15 | 9 | 29 | 48 | 15 | 0 |
| 16 | 8 | 27 | 48 | 17 | 0 |
| 17 | 7 | 25 | 49 | 19 | 1 |
| 18 | 7 | 23 | 48 | 21 | 1 |
| 19 | 6 | 21 | 48 | 23 | 1 |
| 20 | 5 | 20 | 48 | 26 | 2 |
| 21 | 4 | 18 | 47 | 28 | 2 |
| 22 | 4 | 17 | 45 | 31 | 3 |
| 23 | 3 | 16 | 44 | 33 | 4 |
| 24 | 2 | 14 | 43 | 36 | 5 |
| 25 | 2 | 13 | 41 | 38 | 6 |
| 26 | 1 | 12 | 39 | 41 | 7 |
| 27 | 1 | 11 | 37 | 43 | 9 |
| 28 | 1 | 10 | 35 | 45 | 10 |
| 29 | 1 | 8 | 32 | 47 | 12 |
| 30 | 1 | 7 | 30 | 48 | 13 |
Wind in June
Winds average 10 km/h in June, the calmest month.
Across June, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
Sunrise & sunset in June
Daylight runs from about 14 h 24 min at the start of June to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over June. Sunrise moves from 4:31 AM to 4:31 AM, and sunset from 6:57 PM to 7:08 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 |
| Sunrise (AM) | 4:31 | 4:30 | 4:30 | 4:29 | 4:29 | 4:29 | 4:29 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:28 | 4:29 | 4:29 | 4:29 | 4:29 | 4:30 | 4:30 | 4:30 | 4:31 |
| Sunset (PM) | 6:57 | 6:58 | 6:58 | 6:59 | 7:00 | 7:00 | 7:01 | 7:01 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:05 | 7:05 | 7:05 | 7:06 | 7:06 | 7:06 | 7:07 | 7:07 | 7:07 | 7:07 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.4 | 4:31 | 6:57 |
| 2 | 14.5 | 4:30 | 6:58 |
| 3 | 14.5 | 4:30 | 6:58 |
| 4 | 14.5 | 4:29 | 6:59 |
| 5 | 14.5 | 4:29 | 7:00 |
| 6 | 14.5 | 4:29 | 7:00 |
| 7 | 14.5 | 4:29 | 7:01 |
| 8 | 14.6 | 4:28 | 7:01 |
| 9 | 14.6 | 4:28 | 7:02 |
| 10 | 14.6 | 4:28 | 7:03 |
| 11 | 14.6 | 4:28 | 7:03 |
| 12 | 14.6 | 4:28 | 7:04 |
| 13 | 14.6 | 4:28 | 7:04 |
| 14 | 14.6 | 4:28 | 7:05 |
| 15 | 14.6 | 4:28 | 7:05 |
| 16 | 14.6 | 4:28 | 7:05 |
| 17 | 14.6 | 4:28 | 7:06 |
| 18 | 14.6 | 4:28 | 7:06 |
| 19 | 14.6 | 4:28 | 7:06 |
| 20 | 14.6 | 4:28 | 7:07 |
| 21 | 14.6 | 4:28 | 7:07 |
| 22 | 14.6 | 4:28 | 7:07 |
| 23 | 14.6 | 4:29 | 7:07 |
| 24 | 14.6 | 4:29 | 7:08 |
| 25 | 14.6 | 4:29 | 7:08 |
| 26 | 14.6 | 4:29 | 7:08 |
| 27 | 14.6 | 4:30 | 7:08 |
| 28 | 14.6 | 4:30 | 7:08 |
| 29 | 14.6 | 4:30 | 7:08 |
| 30 | 14.6 | 4:31 | 7:08 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 5.8 kWh/m².
For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 5.85 kWh/m² in May across the year — June's 5.8 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.1 | Intense |
| 9 | 6.0 | Intense |
| 10 | 6.0 | Bright |
| 11 | 6.0 | Bright |
| 12 | 5.9 | Bright |
| 13 | 5.9 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.6 | Bright |
| 20 | 5.6 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.4 | Bright |
| 25 | 5.4 | Bright |
| 26 | 5.3 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
Hazard calendar for Ryōtsu-minato
In June, Ryōtsu-minato sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Ryōtsu-minato sits in the Pacific typhoon belt; the season peaks July–October.
Is June a good time to visit Ryōtsu-minato?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Ryōtsu-minato for sightseeing.
What to pack for Ryōtsu-minato in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Ryōtsu-minato sees daytime highs around 22°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.
Sea temperature near Ryōtsu-minato in June
The nearest coast averages about 19°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 26°C and coldest in March near 10°C.
It's comfortable for a long swim from Jun 24 to Oct 29 — about 4.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 10 | 10 | 11 | 14 | 19 | 23 | 26 | 25 | 22 | 18 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 11 | Bracing |
| May | 14 | Bracing |
| Jun | 19 | Cool |
| Jul | 23 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 18 | Cool |
| Dec | 15 | Cool |
UV index in Ryōtsu-minato in June
Clear-sky midday UV in June peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ryōtsu-minato peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 8 | 8 | 9 | 10 | 8 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Ryōtsu-minato in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Ryōtsu-minato is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 14 | 20 | 20 | 18 | 14 | 12 | 10 | 9 | 9 | 10 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 20 | Moderate |
| Apr | 20 | Moderate |
| May | 18 | Moderate |
| Jun | 14 | Moderate |
| Jul | 12 | Moderate |
| Aug | 10 | Good |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Ryōtsu-minato?
Ryōtsu-minato sits at 38.1°N, 138.4°E, 4 m above sea level, in Japan. The nearest listed city is Sado, 9.0 km away.
Topography around Ryōtsu-minato
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ryōtsu-minato.
Within 3 km, the terrain around Ryōtsu-minato has only modest variations in elevation — a maximum elevation change of 102 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, large variations in elevation — a maximum elevation change of 1,125 m.
The land around Ryōtsu-minato is covered by water (50%) and trees (23%) within 3 km, trees (55%) and water (34%) within 16 km, and water (78%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ryōtsu-minato (38.0782°, 138.4394°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).